970.232.4844
 | 
Login Account
 | 
Sign Up
Home » Real Estate » CO » Thornton » 80602 » 12337 Rosemary St, Thornton, CO, 80602
$719,900

12337 Rosemary St, Thornton, CO, 80602

4 Beds
3 Baths
3,650 Square Feet
Welcome home to this beautifully updated 4-bedroom, 3-bath residence in the sought-after King Ranch Estates neighborhood of Thornton. Thoughtful upgrades throughout blend comfort, style, and energy efficiency. Enjoy relaxing mornings on the covered front porch or evenings on the backyard deck overlooking the landscaped yard with mature plants and a storage shed. Step inside to find new carpet throughout, luxury vinyl plank on the main level, and an open-concept layout filled with natural light. The kitchen features stainless-steel appliances, granite counters, a center island, pantry, and eat-in dining area-perfect for gatherings. Just off the kitchen is a convenient built-in desk/work nook connecting to the 3-car garage. The family room's gas fireplace adds a cozy touch on cool Colorado nights. Upstairs, the spacious primary suite offers a quartzite-finished 5-piece bath and an expanded closet with custom organizers. Three additional bedrooms and a full bath complete the upper level, while the garden-level basement provides room to expand, with great light for a future gym or media space. Recent updates include a new roof and screens (1 year), exterior paint (2021), high-efficiency furnace, and paid solar system for lower energy bills. Located near scenic King Ranch Park, Platte Trail, and Riverdale Regional Park, and just 30 minutes to downtown Denver or the airport. Includes a Zillow 3D Tour for a closer look! Seller offering a 2-1 interest rate buy-down incentive-terms negotiable with acceptable offer. Contact listing agent for details.
Offered By
Jon-Simon Marquez jon@realtyathletica.com,720-641-1959, Realty Athletica LLC

Property Details

Property Type Residential
Status Active
Bedrooms 4
Bathrooms (Full) 2
Property Sub Type Residential-Detached
Square Feet 3,650
MLS # 3067097
Bathrooms (Half) 1

Market Trends

New Properties On Market
53
Average Asking Price
$697,246
$3,953 Decrease In Avg Asking Price
Average Asking Price / Sq. Ft.
$238
$18 Increase In List Price/Sq. Ft.
Average Days On Market
8
27 Day Decrease In Days On Market
Data as of Nov 30, 2025. Remaining statistics above are calculated on activity within the period from Oct 01, 2025 to Nov 30, 2025.

Mortgage Calculator
The information provided by this calculator is for illustrative purposes only and accuracy is not guaranteed. The values and figures shown are hypothetical and may not be applicable to your individual situation. Be sure to consult a financial professional prior to relying on the results. This calculator does not have the ability to pre-qualify you for any mortgage or loan program. Qualification for mortgages or loans requires additional information such as credit scores and existing debts which is not gathered in this calculator. Information such as interest rates and pricing are subject to change at any time and without notice. All information such as interest rates, taxes, insurance, monthly mortgage payments, etc. are estimates and should be used for comparison only.


Purchase Price
Loan Type
Down Payment
HOA Dues
Interest Rate
Estimated Property Taxes
Homeowner's Insurance
Private Mortgage Insurance

Similar Listings

6345 E 135th Ave, Thornton, CO 80602 Listing Photo  1
$822,900
6345 E 135th Ave
Thornton, CO
3 Beds
|
3 Baths
|
4,980 Square Feet
Offered By Debi Portararo Sellstate ACE Properties
7047 E 126th Pl, Thornton, CO 80602 Listing Photo  1
$814,950
7047 E 126th Pl
Thornton, CO
4 Beds
|
3 Baths
|
3,826 Square Feet
Offered By Matthew Tonge Richmond Realty Inc
14480 Hudson St, Thornton, CO 80602 Listing Photo  1
$812,400
14480 Hudson St
Thornton, CO
5 Beds
|
5 Baths
|
4,507 Square Feet
Offered By Cynthia Murillo Keller Williams Avenues Realty
14513 Hudson Way, Thornton, CO 80602 Listing Photo  1
$809,750
14513 Hudson Way
Thornton, CO
4 Beds
|
4 Baths
|
3,694 Square Feet
Offered By Kris Ceretto Coldwell Banker Realty 56
Information deemed reliable but not guaranteed by the MLS. Listing information is provided exclusively for consumers' personal, non-commercial use and may not be used for any purpose other than to identify prospective properties consumers may be interested in purchasing. Data Source: Information and Real Estate Services, LLC. Provided for limited non-commercial use only under IRES Rules. © 2025 IRES. Property data was last updated on 11/17/2025 at 4:41 pm